Air release valve



FIG. 1 is a front view of an air release valve showing my design;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an isometric side view thereof.

The portions of the air valve shown in broken lines form no part of theclaimed design.

CLAIM I claim the ornamental design for an air release valve, as shownand described.